Use itertools.groupby()
Use itertools.groupby()

pferreir/indico,ThiefMaster/indico,DirkHoffmann/indico,pferreir/indico,mvidalgarcia/indico,mvidalgarcia/indico,mvidalgarcia/indico,OmeGak/indico,DirkHoffmann/indico,mic4ael/indico,OmeGak/indico,OmeGak/indico,indico/indico,ThiefMaster/indico,indico/indico,DirkHoffmann/indico,pferreir/indico,pferreir/indico,OmeGak/indico,ThiefMaster/indico,mic4ael/indico,mic4ael/indico,DirkHoffmann/indico,indico/indico,indico/indico,mic4ael/indico,mvidalgarcia/indico,ThiefMaster/indico